LAU KAM sees an old lady, KUK, leave something behind, so he chases after her. KUK thanks him for his kindness and suggests becoming his sworn mother. Everyone knows that KUK is a millionaire, although she doesn’t appear to be one. LAU KAM might have a chance to inherit her wealth if he becomes her sworn son. The whole thing excites him. MARCO and LAU KAM are disgusted by the intimate relationship between a handsome young boy and his wealthy sworn mother, WAI. KUK goes to tea with LAU KAM. She is extremely amorous towards him and gives him a hotel room key. Her acts scare LAU KAM off. He and KITTY are approaching a building when they see KUK…